It is also important to note that the production scale of Auricularia auricula cultivation has increased year by year, and the market pressure on Auricularia auricula forest products has also been increasing with the popularization and application of bagging cultivation technology. As a characteristic and advantageous agricultural product in China, mushrooms have played an important role in improving agricultural efficiency, increasing farmers’ incomes, and helping to alleviate poverty in the industry. In 2018, the output of Auricularia auricula (dried products) reached 674,000 tons, with an output value of 37.46 billion yuan and a foreign exchange generation of 6.15 billion yuan. The reuse of Auricularia auricula residue will also be a future research direction.Ĭhina is currently the world’s largest producer of Auricularia auricula, accounting for more than 90% of the total global production. Recent studies have shown that the melanin in the residual species of the remaining Auricularia auricula has a great potential for resource exploitation, enabling the recultivation of other plant species on the waste and facilitating the preparation of beverages from whey protein isolates. Moreover, the abovementioned traditional method of extracting Auricularia auricula polysaccharides leads to a large amount of cooking waste liquid and a large amount of nutrient loss. Finding an extraction method with high reproducibility of the extracted sample structure and the molecular weight is a key research direction for the extraction of AAP. As far as the polysaccharides obtained so far are concerned, four types of polysaccharides (A. To improve the yield of polysaccharides, scientists have developed enzymatic extraction, ultrasonic extraction, liquid fermentation extraction, and other methods in recent years. Therefore, the study of extraction technology is the first hurdle in the in-depth study of the polysaccharides of Auricularia auricula. The biological activity of the samples obtained by different extraction or drying methods was different. Because the polysaccharide is a Fungi heteropolysaccharide, the uncertainty of its structure and composition has caused great difficulties for its in-depth study.
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